Home / 5,231.52-7,846.80-1,768.56

Finding the Fourth Proportional to 5,231.52, 7,846.80 and 1,768.56

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Solution

The fourth proportional to 5,231.52, 7,846.80 and 1,768.56 is: 2,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.52 : 7,846.80 = 1,768.56 : x
  2. Step 2: Convert to fraction form
    5,231.52/7,846.80 = 1,768.56/x
  3. Step 3: Cross multiply
    5,231.52x = 7,846.80 × 1,768.56
  4. Step 4: Simplify right side
    5,231.52x = 13,877,536.61
  5. Step 5: Solve for x
    x = 13,877,536.61/5,231.52
  6. Step 6: Final answer
    x = 2,652.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.